bug#29201: 26.0.90; Flymake skips indicator when a backend reports a diagnostic at EOB

[Dmitry Gutov]

On 11/10/17 7:32 AM, João Távora wrote:

> ...but I'm too lazy at this time of night to do the tests, though I
> do have the patch I think should fix them :-)

This one works, thanks!

>     with two trailing newlines -> highlight wide last line of whitespace

This is a bit questionable, but good enough, considering one shouldn't 
have multilple trailing newlines anyway.